S-92147A512 1.663" ID x 2.553" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through the split lock design, preventing fastener loosening in high-stress environments
• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine applications
• Precise dimensional fit with 1.663" ID and 2.553" OD engineered specifically for 1 5/8" screws
• Enhanced durability and spring action from Rockwell C35 hardness, maintaining locking force through repeated cycles
• Industry-standard compliance with ASME B18.21.1 specifications, ensuring reliable performance and interchangeability
• Environmental regulation compliance with RoHS 3 and REACH standards, suitable for global industrial markets
• Heavy-duty thickness of 0.389" provides robust locking performance for demanding mechanical applications

Professional Applications & Engineering Value

This 316 stainless steel split lock washer addresses critical vibration-induced fastener failure in industrial settings. The split lock design creates continuous spring tension that compensates for thermal expansion, material creep, and dynamic loads – common challenges in heavy machinery, processing equipment, and structural assemblies. The corrosion-resistant properties of 316 stainless steel make it particularly valuable in chemical processing, marine environments, and food processing applications where moisture and aggressive media are present. With precision inch system dimensions (1.663" ID x 2.553" OD) specifically engineered for 1 5/8" screws, this washer ensures proper fit and optimal force distribution, preventing damage to mating surfaces while maintaining secure fastening in high-vibration applications such as pumps, compressors, and power transmission systems.

Specification Summary & Compliance

This standard split lock washer maintains precision dimensions of 1.663" ID, 2.553" OD, and 0.389" thickness with manufacturing tolerances per ASME B18.21.1 specifications. The component features Rockwell C35 hardness for optimal spring performance and meets comprehensive regulatory requirements including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance with current SVHC reporting (06/14/2023, 235 SVHC). The washer is manufactured to inch system measurement standards for reliable performance in North American and international industrial applications requiring imperial fasteners.